1330212247 has 8 divisors (see below), whose sum is σ = 1637184416. Its totient is φ = 1052475552.

The previous prime is 1330212227. The next prime is 1330212307. The reversal of 1330212247 is 7422120331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330212247 - 2¹⁹ = 1329687959 is a prime.

It is a super-4 number, since 4×1330212247⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330212217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7308768 + ... + 7308949.

It is an arithmetic number, because the mean of its divisors is an integer number (204648052).

Almost surely, 2^1330212247 is an apocalyptic number.

1330212247 is a deficient number, since it is larger than the sum of its proper divisors (306972169).

1330212247 is a wasteful number, since it uses less digits than its factorization.

1330212247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14617737.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1330212247 is about 36472.0748929918. The cubic root of 1330212247 is about 1099.7829453273.

Adding to 1330212247 its reverse (7422120331), we get a palindrome (8752332578).

The spelling of 1330212247 in words is "one billion, three hundred thirty million, two hundred twelve thousand, two hundred forty-seven".